Check out our latest project: Algebrarules.com. The Rules of Algebra, Sweet 'n Simple. X

Sort By: Formula per Page:

By PiThagoras

Tags: Circumference, Circle, pi, radius, diameter

0

Posted: 2013-09-16
Circumference of a Circle
Circumference of a Circle
$$C = 2 \pi r = \pi d$$

"Circumference is the linear distance around the outside of a closed curve or circular object." It can be calculated using the above, where C is the circumference using either the radius (r) or the diameter (d), depending on what's convenient.